/* ==========================================================================
   1. CSS Variabelen & Reset
   ========================================================================== */
:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary: #64748b;
    --secondary-hover: #475569;
    --success: #16a34a;
    --success-hover: #15803d;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --background: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    line-height: 1.5;
}

/* ==========================================================================
   2. Layout & Container
   ========================================================================== */
.container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 20px;
}

.flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.margin-top-20 {
    margin-top: 20px;
}

/* Header */
.main-header {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.main-header .logo h2 {
    color: var(--primary);
    font-size: 1.4rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ==========================================================================
   3. Drag & Drop Upload Zone & Bulk Tabel
   ========================================================================== */
.upload-section {
    margin-bottom: 25px;
}

.drop-zone {
    border: 2px dashed #cbd5e1;
    border-radius: var(--radius);
    background-color: var(--surface);
    padding: 30px;
    text-align: center;
    transition: all 0.2s ease-in-out;
    cursor: pointer;
    position: relative;
}

.drop-zone.highlight,
.drop-zone.dragover {
    border-color: var(--primary);
    background-color: #eff6ff;
}

.drop-zone input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.drop-zone-content p {
    font-size: 1.05rem;
    color: var(--text-main);
    font-weight: 500;
}

.drop-zone-content span {
    display: block;
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Tabel voor geselecteerde bestanden bij uploads */
.file-list-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: none;
}

.file-list-table th,
.file-list-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.9rem;
}

.file-list-table th {
    background-color: #f1f5f9;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
}

.file-list-table input[type="text"],
.file-list-table select {
    width: 100%;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.9rem;
    background-color: var(--background);
}

.file-list-table input[type="text"]:focus,
.file-list-table select:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--surface);
}

.btn-remove {
    background: var(--danger);
    color: white;
    border: none;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: background-color 0.2s;
}

.btn-remove:hover {
    background: var(--danger-hover);
}

/* ==========================================================================
   4. Tabellen & Lijsten
   ========================================================================== */
.action-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}

.table-responsive {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

.dms-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

.dms-table th,
.dms-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.dms-table th {
    background-color: #f1f5f9;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
}

.dms-table tbody tr:hover {
    background-color: #f8fafc;
}

.text-center {
    text-align: center;
    color: var(--text-muted);
}

/* ==========================================================================
   5. Badges, Knoppen & Acties
   ========================================================================== */
.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
    background-color: #f1f5f9;
    color: #475569;
}

.badge-default {
    background-color: #f1f5f9;
    color: #475569;
}

.badge-office {
    background-color: #e0f2fe;
    color: #0369a1;
}

.badge-image {
    background-color: #fef3c7;
    color: #b45309;
}

.badge-admin {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-success {
    background-color: #dcfce7;
    color: #166534;
}

/* Knoppen Algemeen */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: var(--radius);
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.2s;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary { background-color: var(--primary); color: white; }
.btn-primary:hover:not(:disabled) { background-color: var(--primary-hover); }

.btn-secondary { background-color: var(--secondary); color: white; }
.btn-secondary:hover:not(:disabled) { background-color: var(--secondary-hover); }

.btn-danger { background-color: var(--danger); color: white; }
.btn-danger:hover:not(:disabled) { background-color: var(--danger-hover); }

.btn-logout {
    background-color: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 6px 14px;
}
.btn-logout:hover { background-color: #fef2f2; }

/* Icon Knoppen per rij */
.actions-cell {
    display: flex;
    gap: 6px;
    align-items: center;
}

.btn-icon {
    background: none;
    border: 1px solid var(--border);
    padding: 6px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
}

.btn-icon.btn-danger:hover {
    background-color: #fef2f2;
    border-color: #fca5a5;
    color: var(--danger);
}

.btn-icon.btn-success:hover {
    background-color: #f0fdf4;
    border-color: #86efac;
}

/* ==========================================================================
   6. Alerts & Meldingen
   ========================================================================== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.alert-success {
    background-color: #dcfce7;
    color: #15803d;
    border: 1px solid #86efac;
}

.alert-danger {
    background-color: #fee2e2;
    color: #b91c1c;
    border: 1px solid #fca5a5;
}

/* Standaardiseer de hoofdcontainer op alle pagina's */
.container {
    width: 100%;
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 15px;
}

/* Standaardiseer de witte kaarten (cards) */
.card {
    background: #ffffff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    width: 100%;
}

/* ==========================================================================
   7. Neutrale Links & Bestandsweergave
   ========================================================================== */
.document-link {
    color: #334155;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.15s ease-in-out;
}

.document-link:hover {
    color: #0284c7;
    text-decoration: underline;
}

.file-title-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.file-icon {
    font-size: 1.25rem;
    line-height: 1;
    margin-top: 2px;
    flex-shrink: 0;
}
/* ==========================================================================
   8. Floating Footer
   ========================================================================== */
body {
    padding-bottom: 60px; /* Ruimte onderaan zodat er niets bedekt wordt */
}

.floating-footer {
    position: fixed;
    bottom: 15px;
    right: 20px;
    
    /* Zachte styling */
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    
    /* Vormgeving & Randen */
    border: 1px solid var(--border, #e2e8f0);
    padding: 6px 14px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    
    /* Typografie (Grijs, subtiel & netjes) */
    font-size: 0.8rem;
    color: var(--text-muted, #64748b);
    font-weight: 500;
    letter-spacing: 0.3px;
    
    /* Gedrag */
    z-index: 1000;
    user-select: none;
    pointer-events: none; /* Klikken gaan er doorheen */
}

/* ==========================================================================
   8. Leerlingenportaal Specific Styling (Desktop First)
   ========================================================================== */
.portal-header {
    background-color: #0284c7;
    color: #ffffff;
    padding: 30px 20px;
    text-align: center;
    margin-bottom: 30px;
}

.portal-header h1 {
    font-size: 1.8rem;
    margin-bottom: 6px;
}

/* Twee kolommen op desktop */
.grid-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 24px;
    align-items: start;
}

.vakken-menu {
    background: #ffffff;
    padding: 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.vakken-menu h3 {
    font-size: 1.1rem;
    color: var(--text-main);
}

.vakken-menu a {
    display: block;
    padding: 8px 12px;
    border-radius: 6px;
    color: #0f172a;
    text-decoration: none;
    margin-bottom: 4px;
    font-size: 0.95rem;
    transition: background 0.15s, color 0.15s;
}

.vakken-menu a:hover, 
.vakken-menu a.active {
    background: #e0f2fe;
    color: #0284c7;
    font-weight: 600;
}

.doc-card {
    background: #ffffff;
    padding: 18px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    margin-bottom: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-sm);
}


/* ==========================================================================
   9. Mobiele Responsive Overrides (Alleen voor mobiel scherm)
   ========================================================================== */
@media (max-width: 768px) {
    html, body {
        overflow-x: hidden;
    }

    .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 12px !important;
        margin: 15px auto !important;
    }

    /* Schakel over naar 1 kolom op mobiel */
    .grid-layout {
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
    }

    .vakken-menu,
    .doc-card {
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* VAKKENMENU MOBIEL: Dwing alles onder elkaar */
    .vakken-menu ul,
    .vakken-menu nav,
    .vakken-menu div {
        display: flex !important;
        flex-direction: column !important;
        width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
        list-style: none !important;
    }

    .vakken-menu li {
        width: 100% !important;
        display: block !important;
    }

    .vakken-menu a {
        display: block !important;
        width: 100% !important;
        padding: 10px 12px !important;
        margin-bottom: 6px !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-break: break-word;
    }

    /* Kaart indeling op mobiel onder elkaar */
    .doc-card {
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
        word-break: break-word;
    }

    .doc-card .btn,
    .doc-card a.btn-primary {
        display: block !important;
        width: 100% !important;
        text-align: center !important;
        padding: 10px 0 !important;
        box-sizing: border-box !important;
    }

    .portal-header {
        padding: 20px 15px !important;
        margin-bottom: 20px !important;
    }
}